src/lib/devices/CECBusDevice.cpp

   1 /*
   2  * This file is part of the libCEC(R) library.
   3  *
   4  * libCEC(R) is Copyright (C) 2011 Pulse-Eight Limited.  All rights reserved.
   5  * libCEC(R) is an original work, containing original code.
   6  *
   7  * libCEC(R) is a trademark of Pulse-Eight Limited.
   8  *
   9  * This program is dual-licensed; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  22  *
  23  *
  24  * Alternatively, you can license this library under a commercial license,
  25  * please contact Pulse-Eight Licensing for more information.
  26  *
  27  * For more information contact:
  28  * Pulse-Eight Licensing       <license@pulse-eight.com>
  29  *     http://www.pulse-eight.com/
  30  *     http://www.pulse-eight.net/
  31  */
  32
  33 #include "CECBusDevice.h"
  34 #include "../CECProcessor.h"
  35 #include "../implementations/ANCommandHandler.h"
  36 #include "../implementations/CECCommandHandler.h"
  37 #include "../implementations/SLCommandHandler.h"
  38 #include "../implementations/VLCommandHandler.h"
  39 #include "../platform/timeutils.h"
  40
  41 using namespace CEC;
  42
  43 #define ToString(p) m_processor->ToString(p)
  44
  45 CCECBusDevice::CCECBusDevice(CCECProcessor *processor, cec_logical_address iLogicalAddress, uint16_t iPhysicalAddress) :
  46   m_type(CEC_DEVICE_TYPE_RESERVED),
  47   m_iPhysicalAddress(iPhysicalAddress),
  48   m_iStreamPath(0),
  49   m_iLogicalAddress(iLogicalAddress),
  50   m_powerStatus(CEC_POWER_STATUS_UNKNOWN),
  51   m_processor(processor),
  52   m_vendor(CEC_VENDOR_UNKNOWN),
  53   m_menuState(CEC_MENU_STATE_ACTIVATED),
  54   m_bActiveSource(false),
  55   m_iLastActive(0),
  56   m_cecVersion(CEC_VERSION_UNKNOWN),
  57   m_deviceStatus(CEC_DEVICE_STATUS_UNKNOWN)
  58 {
  59   m_handler = new CCECCommandHandler(this);
  60
  61   for (unsigned int iPtr = 0; iPtr < 4; iPtr++)
  62     m_menuLanguage.language[iPtr] = '?';
  63   m_menuLanguage.language[3] = 0;
  64   m_menuLanguage.device = iLogicalAddress;
  65
  66   m_strDeviceName = ToString(m_iLogicalAddress);
  67 }
  68
  69 CCECBusDevice::~CCECBusDevice(void)
  70 {
  71   delete m_handler;
  72 }
  73
  74 void CCECBusDevice::AddLog(cec_log_level level, const CStdString &strMessage)
  75 {
  76   m_processor->AddLog(level, strMessage);
  77 }
  78
  79 bool CCECBusDevice::HandleCommand(const cec_command &command)
  80 {
  81   bool bHandled(false);
  82
  83   /* update "last active" */
  84   {
  85     CLockObject lock(&m_writeMutex);
  86     m_iLastActive = GetTimeMs();
  87   }
  88
  89   /* handle the command */
  90   bHandled = m_handler->HandleCommand(command);
  91
  92   /* change status to present */
  93   if (bHandled)
  94   {
  95     CLockObject lock(&m_writeMutex);
  96     if (m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
  97     {
  98       if (m_deviceStatus != CEC_DEVICE_STATUS_PRESENT)
  99       {
 100         CStdString strLog;
 101         strLog.Format("device %s (%x) status changed to present after command %s", GetLogicalAddressName(), (uint8_t)GetLogicalAddress(), ToString(command.opcode));
 102         AddLog(CEC_LOG_DEBUG, strLog);
 103       }
 104       m_deviceStatus = CEC_DEVICE_STATUS_PRESENT;
 105     }
 106   }
 107
 108   return bHandled;
 109 }
 110
 111 bool CCECBusDevice::PowerOn(void)
 112 {
 113   CStdString strLog;
 114   strLog.Format("<< powering on '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 115   AddLog(CEC_LOG_DEBUG, strLog.c_str());
 116
 117   if (m_handler->TransmitPowerOn(GetMyLogicalAddress(), m_iLogicalAddress))
 118   {
 119     {
 120       CLockObject lock(&m_mutex);
 121       m_powerStatus = CEC_POWER_STATUS_UNKNOWN;
 122     }
 123     cec_power_status status = GetPowerStatus();
 124     if (status == CEC_POWER_STATUS_STANDBY || status == CEC_POWER_STATUS_UNKNOWN)
 125     {
 126       /* sending the normal power on command appears to have failed */
 127       CStdString strLog;
 128       strLog.Format("<< sending power on keypress to '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 129       AddLog(CEC_LOG_DEBUG, strLog.c_str());
 130
 131       TransmitKeypress(CEC_USER_CONTROL_CODE_POWER);
 132       return TransmitKeyRelease();
 133     }
 134     return true;
 135   }
 136
 137   return false;
 138 }
 139
 140 bool CCECBusDevice::Standby(void)
 141 {
 142   CStdString strLog;
 143   strLog.Format("<< putting '%s' (%X) in standby mode", GetLogicalAddressName(), m_iLogicalAddress);
 144   AddLog(CEC_LOG_DEBUG, strLog.c_str());
 145
 146   return m_handler->TransmitStandby(GetMyLogicalAddress(), m_iLogicalAddress);
 147 }
 148
 149 /** @name Getters */
 150 //@{
 151 cec_version CCECBusDevice::GetCecVersion(bool bUpdate /* = false */)
 152 {
 153   CLockObject lock(&m_mutex);
 154   if (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 155       (bUpdate || m_cecVersion == CEC_VERSION_UNKNOWN))
 156     RequestCecVersion();
 157
 158   return m_cecVersion;
 159 }
 160
 161 bool CCECBusDevice::RequestCecVersion(void)
 162 {
 163   bool bReturn(false);
 164   if (!MyLogicalAddressContains(m_iLogicalAddress))
 165   {
 166     CStdString strLog;
 167     strLog.Format("<< requesting CEC version of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 168     AddLog(CEC_LOG_NOTICE, strLog);
 169
 170     bReturn = m_handler->TransmitRequestCecVersion(GetMyLogicalAddress(), m_iLogicalAddress);
 171   }
 172   return bReturn;
 173 }
 174
 175 const char* CCECBusDevice::GetLogicalAddressName(void) const
 176 {
 177   return ToString(m_iLogicalAddress);
 178 }
 179
 180 cec_menu_language &CCECBusDevice::GetMenuLanguage(bool bUpdate /* = false */)
 181 {
 182   CLockObject lock(&m_mutex);
 183   if (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 184       (bUpdate || !strcmp(m_menuLanguage.language, "???")))
 185     RequestMenuLanguage();
 186
 187   return m_menuLanguage;
 188 }
 189
 190 bool CCECBusDevice::RequestMenuLanguage(void)
 191 {
 192   bool bReturn(false);
 193   if (!MyLogicalAddressContains(m_iLogicalAddress))
 194   {
 195     CStdString strLog;
 196     strLog.Format("<< requesting menu language of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 197     AddLog(CEC_LOG_NOTICE, strLog);
 198     bReturn = m_handler->TransmitRequestMenuLanguage(GetMyLogicalAddress(), m_iLogicalAddress);
 199   }
 200   return bReturn;
 201 }
 202
 203 cec_logical_address CCECBusDevice::GetMyLogicalAddress(void) const
 204 {
 205   return m_processor->GetLogicalAddress();
 206 }
 207
 208 uint16_t CCECBusDevice::GetMyPhysicalAddress(void) const
 209 {
 210   return m_processor->GetPhysicalAddress();
 211 }
 212
 213 CStdString CCECBusDevice::GetOSDName(bool bUpdate /* = false */)
 214 {
 215   CLockObject lock(&m_mutex);
 216   if (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 217       (bUpdate || m_strDeviceName.Equals(ToString(m_iLogicalAddress))) &&
 218       m_type != CEC_DEVICE_TYPE_TV)
 219     RequestOSDName();
 220
 221   return m_strDeviceName;
 222 }
 223
 224 bool CCECBusDevice::RequestOSDName(void)
 225 {
 226   bool bReturn(false);
 227   if (!MyLogicalAddressContains(m_iLogicalAddress))
 228   {
 229     CStdString strLog;
 230     strLog.Format("<< requesting OSD name of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 231     AddLog(CEC_LOG_NOTICE, strLog);
 232     bReturn = m_handler->TransmitRequestOSDName(GetMyLogicalAddress(), m_iLogicalAddress);
 233   }
 234   return bReturn;
 235 }
 236
 237 uint16_t CCECBusDevice::GetPhysicalAddress(bool bUpdate /* = false */)
 238 {
 239   CLockObject lock(&m_mutex);
 240   if (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 241       (m_iPhysicalAddress == 0xFFFF || bUpdate))
 242   {
 243     if (!RequestPhysicalAddress())
 244       AddLog(CEC_LOG_ERROR, "failed to request the physical address");
 245   }
 246
 247   return m_iPhysicalAddress;
 248 }
 249
 250 bool CCECBusDevice::RequestPhysicalAddress(void)
 251 {
 252   bool bReturn(false);
 253   if (!MyLogicalAddressContains(m_iLogicalAddress))
 254   {
 255     CStdString strLog;
 256     strLog.Format("<< requesting physical address of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 257     AddLog(CEC_LOG_NOTICE, strLog);
 258     bReturn = m_handler->TransmitRequestPhysicalAddress(GetMyLogicalAddress(), m_iLogicalAddress);
 259   }
 260   return bReturn;
 261 }
 262
 263 cec_power_status CCECBusDevice::GetPowerStatus(bool bUpdate /* = false */)
 264 {
 265   CLockObject lock(&m_mutex);
 266   if (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 267       (bUpdate || m_powerStatus == CEC_POWER_STATUS_UNKNOWN))
 268     RequestPowerStatus();
 269
 270   return m_powerStatus;
 271 }
 272
 273 bool CCECBusDevice::RequestPowerStatus(void)
 274 {
 275   bool bReturn(false);
 276   if (!MyLogicalAddressContains(m_iLogicalAddress))
 277   {
 278     CStdString strLog;
 279     strLog.Format("<< requesting power status of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 280     AddLog(CEC_LOG_NOTICE, strLog);
 281     bReturn = m_handler->TransmitRequestPowerStatus(GetMyLogicalAddress(), m_iLogicalAddress);
 282   }
 283   return bReturn;
 284 }
 285
 286 cec_vendor_id CCECBusDevice::GetVendorId(bool bUpdate /* = false */)
 287 {
 288   CLockObject lock(&m_mutex);
 289   if (GetStatus() == CEC_DEVICE_STATUS_PRESENT &&
 290       (bUpdate || m_vendor == CEC_VENDOR_UNKNOWN))
 291     RequestVendorId();
 292
 293   return m_vendor;
 294 }
 295
 296 bool CCECBusDevice::RequestVendorId(void)
 297 {
 298   bool bReturn(false);
 299   if (!MyLogicalAddressContains(m_iLogicalAddress))
 300   {
 301     CStdString strLog;
 302     strLog.Format("<< requesting vendor ID of '%s' (%X)", GetLogicalAddressName(), m_iLogicalAddress);
 303     AddLog(CEC_LOG_NOTICE, strLog);
 304     bReturn = m_handler->TransmitRequestVendorId(GetMyLogicalAddress(), m_iLogicalAddress);
 305   }
 306   return bReturn;
 307 }
 308
 309 const char *CCECBusDevice::GetVendorName(bool bUpdate /* = false */)
 310 {
 311   return ToString(GetVendorId(bUpdate));
 312 }
 313
 314 bool CCECBusDevice::MyLogicalAddressContains(cec_logical_address address) const
 315 {
 316   return m_processor->HasLogicalAddress(address);
 317 }
 318
 319 bool CCECBusDevice::NeedsPoll(void)
 320 {
 321   bool bSendPoll(false);
 322   switch (m_iLogicalAddress)
 323   {
 324   case CECDEVICE_PLAYBACKDEVICE3:
 325     if (m_processor->m_busDevices[CECDEVICE_PLAYBACKDEVICE2]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 326       bSendPoll = true;
 327     break;
 328   case CECDEVICE_PLAYBACKDEVICE2:
 329     if (m_processor->m_busDevices[CECDEVICE_PLAYBACKDEVICE1]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 330       bSendPoll = true;
 331     break;
 332   case CECDEVICE_RECORDINGDEVICE3:
 333     if (m_processor->m_busDevices[CECDEVICE_RECORDINGDEVICE2]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 334       bSendPoll = true;
 335     break;
 336   case CECDEVICE_RECORDINGDEVICE2:
 337     if (m_processor->m_busDevices[CECDEVICE_RECORDINGDEVICE1]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 338       bSendPoll = true;
 339     break;
 340   case CECDEVICE_TUNER4:
 341     if (m_processor->m_busDevices[CECDEVICE_TUNER3]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 342       bSendPoll = true;
 343     break;
 344   case CECDEVICE_TUNER3:
 345     if (m_processor->m_busDevices[CECDEVICE_TUNER2]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 346       bSendPoll = true;
 347     break;
 348   case CECDEVICE_TUNER2:
 349     if (m_processor->m_busDevices[CECDEVICE_TUNER1]->GetStatus() == CEC_DEVICE_STATUS_PRESENT)
 350       bSendPoll = true;
 351     break;
 352   case CECDEVICE_AUDIOSYSTEM:
 353   case CECDEVICE_PLAYBACKDEVICE1:
 354   case CECDEVICE_RECORDINGDEVICE1:
 355   case CECDEVICE_TUNER1:
 356   case CECDEVICE_TV:
 357     bSendPoll = true;
 358     break;
 359   default:
 360     break;
 361   }
 362
 363   return bSendPoll;
 364 }
 365
 366 cec_bus_device_status CCECBusDevice::GetStatus(bool bForcePoll /* = false */)
 367 {
 368   CLockObject lock(&m_writeMutex);
 369   if (m_deviceStatus != CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC &&
 370       (m_deviceStatus == CEC_DEVICE_STATUS_UNKNOWN || bForcePoll))
 371   {
 372     lock.Leave();
 373     bool bPollAcked(false);
 374     if (bForcePoll || NeedsPoll())
 375       bPollAcked = m_processor->PollDevice(m_iLogicalAddress);
 376
 377     lock.Lock();
 378     m_deviceStatus = bPollAcked ? CEC_DEVICE_STATUS_PRESENT : CEC_DEVICE_STATUS_NOT_PRESENT;
 379   }
 380
 381   return m_deviceStatus;
 382 }
 383
 384 //@}
 385
 386 /** @name Setters */
 387 //@{
 388 void CCECBusDevice::SetCecVersion(const cec_version newVersion)
 389 {
 390   m_cecVersion = newVersion;
 391
 392   CStdString strLog;
 393   strLog.Format("%s (%X): CEC version %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(newVersion));
 394   AddLog(CEC_LOG_DEBUG, strLog);
 395 }
 396
 397 void CCECBusDevice::SetMenuLanguage(const cec_menu_language &language)
 398 {
 399   CLockObject lock(&m_writeMutex);
 400   if (language.device == m_iLogicalAddress)
 401   {
 402     CStdString strLog;
 403     strLog.Format(">> %s (%X): menu language set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, language.language);
 404     m_processor->AddLog(CEC_LOG_DEBUG, strLog);
 405     m_menuLanguage = language;
 406   }
 407 }
 408
 409 void CCECBusDevice::SetOSDName(CStdString strName)
 410 {
 411   CLockObject lock(&m_writeMutex);
 412   if (m_strDeviceName != strName)
 413   {
 414     CStdString strLog;
 415     strLog.Format(">> %s (%X): osd name set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, strName);
 416     m_processor->AddLog(CEC_LOG_DEBUG, strLog);
 417     m_strDeviceName = strName;
 418   }
 419 }
 420
 421 void CCECBusDevice::SetMenuState(const cec_menu_state state)
 422 {
 423   CLockObject lock(&m_writeMutex);
 424   if (m_menuState != state)
 425   {
 426     CStdString strLog;
 427     strLog.Format(">> %s (%X): menu state set to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_menuState));
 428     m_processor->AddLog(CEC_LOG_DEBUG, strLog);
 429     m_menuState = state;
 430   }
 431 }
 432
 433 void CCECBusDevice::SetInactiveDevice(void)
 434 {
 435   CLockObject lock(&m_writeMutex);
 436   m_bActiveSource = false;
 437 }
 438
 439 void CCECBusDevice::SetActiveDevice(void)
 440 {
 441   CLockObject lock(&m_writeMutex);
 442
 443   for (int iPtr = 0; iPtr < 16; iPtr++)
 444     if (iPtr != m_iLogicalAddress)
 445       m_processor->m_busDevices[iPtr]->SetInactiveDevice();
 446
 447   m_bActiveSource = true;
 448   m_powerStatus   = CEC_POWER_STATUS_ON;
 449 }
 450
 451 bool CCECBusDevice::TryLogicalAddress(void)
 452 {
 453   CStdString strLog;
 454   strLog.Format("trying logical address '%s'", GetLogicalAddressName());
 455   AddLog(CEC_LOG_DEBUG, strLog);
 456
 457   m_processor->SetAckMask(0x1 << m_iLogicalAddress);
 458   if (!TransmitPoll(m_iLogicalAddress))
 459   {
 460     strLog.Format("using logical address '%s'", GetLogicalAddressName());
 461     AddLog(CEC_LOG_NOTICE, strLog);
 462     SetDeviceStatus(CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC);
 463
 464     return true;
 465   }
 466
 467   strLog.Format("logical address '%s' already taken", GetLogicalAddressName());
 468   AddLog(CEC_LOG_DEBUG, strLog);
 469   SetDeviceStatus(CEC_DEVICE_STATUS_PRESENT);
 470   return false;
 471 }
 472
 473 void CCECBusDevice::SetDeviceStatus(const cec_bus_device_status newStatus)
 474 {
 475   CLockObject lock(&m_writeMutex);
 476   switch (newStatus)
 477   {
 478   case CEC_DEVICE_STATUS_UNKNOWN:
 479     m_iStreamPath      = 0;
 480     m_powerStatus      = CEC_POWER_STATUS_UNKNOWN;
 481     m_vendor           = CEC_VENDOR_UNKNOWN;
 482     m_menuState        = CEC_MENU_STATE_ACTIVATED;
 483     m_bActiveSource    = false;
 484     m_iLastActive      = 0;
 485     m_cecVersion       = CEC_VERSION_UNKNOWN;
 486     m_deviceStatus     = newStatus;
 487     break;
 488   case CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC:
 489     m_iStreamPath      = 0;
 490     m_powerStatus      = CEC_POWER_STATUS_ON;
 491     m_vendor           = CEC_VENDOR_UNKNOWN;
 492     m_menuState        = CEC_MENU_STATE_ACTIVATED;
 493     m_bActiveSource    = false;
 494     m_iLastActive      = 0;
 495     m_cecVersion       = CEC_VERSION_1_3A;
 496     m_deviceStatus     = newStatus;
 497     break;
 498   case CEC_DEVICE_STATUS_PRESENT:
 499   case CEC_DEVICE_STATUS_NOT_PRESENT:
 500     m_deviceStatus = newStatus;
 501     break;
 502   }
 503 }
 504
 505 void CCECBusDevice::SetPhysicalAddress(uint16_t iNewAddress)
 506 {
 507   CLockObject lock(&m_writeMutex);
 508   if (iNewAddress > 0 && m_iPhysicalAddress != iNewAddress)
 509   {
 510     CStdString strLog;
 511     strLog.Format(">> %s (%X): physical address changed from %04x to %04x", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress, iNewAddress);
 512     AddLog(CEC_LOG_DEBUG, strLog.c_str());
 513
 514     m_iPhysicalAddress = iNewAddress;
 515   }
 516 }
 517
 518 void CCECBusDevice::SetStreamPath(uint16_t iNewAddress, uint16_t iOldAddress /* = 0 */)
 519 {
 520   CLockObject lock(&m_writeMutex);
 521   if (iNewAddress > 0)
 522   {
 523     CStdString strLog;
 524     strLog.Format(">> %s (%X): stream path changed from %04x to %04x", GetLogicalAddressName(), m_iLogicalAddress, iOldAddress == 0 ? m_iStreamPath : iOldAddress, iNewAddress);
 525     AddLog(CEC_LOG_DEBUG, strLog.c_str());
 526
 527     m_iStreamPath = iNewAddress;
 528
 529     if (iNewAddress > 0)
 530     {
 531       lock.Leave();
 532       SetPowerStatus(CEC_POWER_STATUS_ON);
 533     }
 534   }
 535 }
 536
 537 void CCECBusDevice::SetPowerStatus(const cec_power_status powerStatus)
 538 {
 539   CLockObject lock(&m_writeMutex);
 540   if (m_powerStatus != powerStatus)
 541   {
 542     CStdString strLog;
 543     strLog.Format(">> %s (%X): power status changed from '%s' to '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_powerStatus), ToString(powerStatus));
 544     m_processor->AddLog(CEC_LOG_DEBUG, strLog);
 545     m_powerStatus = powerStatus;
 546   }
 547 }
 548
 549 bool CCECBusDevice::SetVendorId(uint64_t iVendorId, bool bInitHandler /* = true */)
 550 {
 551   bool bVendorChanged(false);
 552
 553   {
 554     CLockObject lock(&m_writeMutex);
 555     bVendorChanged = (m_vendor != (cec_vendor_id)iVendorId);
 556     m_vendor = (cec_vendor_id)iVendorId;
 557
 558     if (bVendorChanged)
 559       delete m_handler;
 560
 561     switch (iVendorId)
 562     {
 563     case CEC_VENDOR_SAMSUNG:
 564       if (bVendorChanged)
 565         m_handler = new CANCommandHandler(this);
 566       break;
 567     case CEC_VENDOR_LG:
 568       if (bVendorChanged)
 569         m_handler = new CSLCommandHandler(this);
 570       break;
 571     case CEC_VENDOR_PANASONIC:
 572       if (bVendorChanged)
 573         m_handler = new CVLCommandHandler(this);
 574       break;
 575     default:
 576       if (bVendorChanged)
 577         m_handler = new CCECCommandHandler(this);
 578       break;
 579     }
 580   }
 581
 582   if (bVendorChanged && bInitHandler)
 583     m_handler->InitHandler();
 584
 585   CStdString strLog;
 586   strLog.Format("%s (%X): vendor = %s (%06x)", GetLogicalAddressName(), m_iLogicalAddress, ToString(m_vendor), m_vendor);
 587   m_processor->AddLog(CEC_LOG_DEBUG, strLog.c_str());
 588
 589   return bVendorChanged;
 590 }
 591 //@}
 592
 593 /** @name Transmit methods */
 594 //@{
 595 bool CCECBusDevice::TransmitActiveSource(void)
 596 {
 597   bool bSendActiveSource(false);
 598
 599   {
 600     CLockObject lock(&m_writeMutex);
 601     if (m_powerStatus != CEC_POWER_STATUS_ON)
 602     {
 603       CStdString strLog;
 604       strLog.Format("<< %s (%X) is not powered on", GetLogicalAddressName(), m_iLogicalAddress);
 605       AddLog(CEC_LOG_DEBUG, strLog);
 606     }
 607     else if (m_bActiveSource)
 608     {
 609       CStdString strLog;
 610       strLog.Format("<< %s (%X) -> broadcast (F): active source (%4x)", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
 611       AddLog(CEC_LOG_NOTICE, strLog);
 612       bSendActiveSource = true;
 613     }
 614     else
 615     {
 616       CStdString strLog;
 617       strLog.Format("<< %s (%X) is not the active source", GetLogicalAddressName(), m_iLogicalAddress);
 618       AddLog(CEC_LOG_DEBUG, strLog);
 619     }
 620   }
 621
 622   return bSendActiveSource ? m_handler->TransmitActiveSource(m_iLogicalAddress, m_iPhysicalAddress) : false;
 623 }
 624
 625 bool CCECBusDevice::TransmitCECVersion(cec_logical_address dest)
 626 {
 627   cec_version version;
 628   {
 629     CLockObject lock(&m_writeMutex);
 630     CStdString strLog;
 631     strLog.Format("<< %s (%X) -> %s (%X): cec version %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_cecVersion));
 632     AddLog(CEC_LOG_NOTICE, strLog);
 633     version = m_cecVersion;
 634   }
 635
 636   return m_handler->TransmitCECVersion(m_iLogicalAddress, dest, version);
 637 }
 638
 639 bool CCECBusDevice::TransmitInactiveSource(void)
 640 {
 641   uint16_t iPhysicalAddress;
 642   {
 643     CLockObject lock(&m_writeMutex);
 644     CStdString strLog;
 645     strLog.Format("<< %s (%X) -> broadcast (F): inactive source", GetLogicalAddressName(), m_iLogicalAddress);
 646     AddLog(CEC_LOG_NOTICE, strLog);
 647     iPhysicalAddress = m_iPhysicalAddress;
 648   }
 649
 650   return m_handler->TransmitInactiveSource(m_iLogicalAddress, iPhysicalAddress);
 651 }
 652
 653 bool CCECBusDevice::TransmitMenuState(cec_logical_address dest)
 654 {
 655   cec_menu_state menuState;
 656   {
 657     CLockObject lock(&m_writeMutex);
 658     CStdString strLog;
 659     strLog.Format("<< %s (%X) -> %s (%X): menu state '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_menuState));
 660     AddLog(CEC_LOG_NOTICE, strLog);
 661     menuState = m_menuState;
 662   }
 663
 664   return m_handler->TransmitMenuState(m_iLogicalAddress, dest, menuState);
 665 }
 666
 667 bool CCECBusDevice::TransmitOSDName(cec_logical_address dest)
 668 {
 669   CStdString strDeviceName;
 670   {
 671     CLockObject lock(&m_writeMutex);
 672     CStdString strLog;
 673     strLog.Format("<< %s (%X) -> %s (%X): OSD name '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, m_strDeviceName.c_str());
 674     AddLog(CEC_LOG_NOTICE, strLog.c_str());
 675     strDeviceName = m_strDeviceName;
 676   }
 677
 678   return m_handler->TransmitOSDName(m_iLogicalAddress, dest, strDeviceName);
 679 }
 680
 681 bool CCECBusDevice::TransmitOSDString(cec_logical_address dest, cec_display_control duration, const char *strMessage)
 682 {
 683   CStdString strLog;
 684   strLog.Format("<< %s (%X) -> %s (%X): display OSD message '%s'", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, strMessage);
 685   AddLog(CEC_LOG_NOTICE, strLog.c_str());
 686
 687   return m_handler->TransmitOSDString(m_iLogicalAddress, dest, duration, strMessage);
 688 }
 689
 690 bool CCECBusDevice::TransmitPhysicalAddress(void)
 691 {
 692   uint16_t iPhysicalAddress;
 693   cec_device_type type;
 694   {
 695     CLockObject lock(&m_writeMutex);
 696     if (m_iPhysicalAddress == 0xffff)
 697       return false;
 698
 699     CStdString strLog;
 700     strLog.Format("<< %s (%X) -> broadcast (F): physical adddress %4x", GetLogicalAddressName(), m_iLogicalAddress, m_iPhysicalAddress);
 701     AddLog(CEC_LOG_NOTICE, strLog.c_str());
 702
 703     iPhysicalAddress = m_iPhysicalAddress;
 704     type = m_type;
 705   }
 706
 707   return m_handler->TransmitPhysicalAddress(m_iLogicalAddress, iPhysicalAddress, type);
 708 }
 709
 710 bool CCECBusDevice::TransmitPoll(cec_logical_address dest)
 711 {
 712   bool bReturn(false);
 713   if (dest == CECDEVICE_UNKNOWN)
 714     dest = m_iLogicalAddress;
 715
 716   CCECBusDevice *destDevice = m_processor->m_busDevices[dest];
 717   if (destDevice->m_deviceStatus == CEC_DEVICE_STATUS_HANDLED_BY_LIBCEC)
 718     return bReturn;
 719
 720   CStdString strLog;
 721   strLog.Format("<< %s (%X) -> %s (%X): POLL", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest);
 722   AddLog(CEC_LOG_NOTICE, strLog.c_str());
 723   bReturn = m_handler->TransmitPoll(m_iLogicalAddress, dest);
 724   AddLog(CEC_LOG_DEBUG, bReturn ? ">> POLL sent" : ">> POLL not sent");
 725
 726   CLockObject lock(&m_writeMutex);
 727   if (bReturn)
 728   {
 729     m_iLastActive = GetTimeMs();
 730     destDevice->m_deviceStatus = CEC_DEVICE_STATUS_PRESENT;
 731   }
 732   else
 733     destDevice->m_deviceStatus = CEC_DEVICE_STATUS_NOT_PRESENT;
 734
 735   return bReturn;
 736 }
 737
 738 bool CCECBusDevice::TransmitPowerState(cec_logical_address dest)
 739 {
 740   cec_power_status state;
 741   {
 742     CLockObject lock(&m_writeMutex);
 743     CStdString strLog;
 744     strLog.Format("<< %s (%X) -> %s (%X): %s", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString(m_powerStatus));
 745     AddLog(CEC_LOG_NOTICE, strLog.c_str());
 746     state = m_powerStatus;
 747   }
 748
 749   return m_handler->TransmitPowerState(m_iLogicalAddress, dest, state);
 750 }
 751
 752 bool CCECBusDevice::TransmitVendorID(cec_logical_address dest)
 753 {
 754   uint64_t iVendorId;
 755   {
 756     CLockObject lock(&m_writeMutex);
 757     iVendorId = (uint64_t)m_vendor;
 758   }
 759
 760   if (iVendorId == CEC_VENDOR_UNKNOWN)
 761   {
 762     CStdString strLog;
 763     strLog.Format("<< %s (%X) -> %s (%X): vendor id feature abort", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest);
 764     AddLog(CEC_LOG_NOTICE, strLog);
 765
 766     m_processor->TransmitAbort(dest, CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
 767     return false;
 768   }
 769   else
 770   {
 771     CStdString strLog;
 772     strLog.Format("<< %s (%X) -> %s (%X): vendor id %s (%x)", GetLogicalAddressName(), m_iLogicalAddress, ToString(dest), dest, ToString((cec_vendor_id)iVendorId), iVendorId);
 773     AddLog(CEC_LOG_NOTICE, strLog);
 774
 775     return m_handler->TransmitVendorID(m_iLogicalAddress, iVendorId);
 776   }
 777 }
 778
 779 bool CCECBusDevice::TransmitKeypress(cec_user_control_code key)
 780 {
 781   return m_handler->TransmitKeypress(m_processor->GetLogicalAddress(), m_iLogicalAddress, key);
 782 }
 783
 784 bool CCECBusDevice::TransmitKeyRelease(void)
 785 {
 786   return m_handler->TransmitKeyRelease(m_processor->GetLogicalAddress(), m_iLogicalAddress);
 787 }
 788 //@}